.list {
    position: relative;
}
.list-item {
    position: relative;
    border: 1px solid #eee;
    margin-bottom: 20px;
}
.phone {
    width: 30%;
}
.tablet {
    width: 60%;
}
.child {
    width: 100%;
    height: 100%;
    background: 'red';
}
.mygrid {
    display: block;
    text-align: center;
    height: 40px;
    line-height: 40px;
}
.grid-12 {
    background: rgba(59, 154, 255, 0.25);
}
.grid-6 {
    background: rgba(59, 154, 255, 1);
}
.grid-4 {
    background: rgba(59, 154, 255, 0.25);
}
.grid-3 {
    background: rgba(59, 154, 255, 1);
}
